<template>
  <div class="uploader-action">
    <div v-if="action == 'select' || action == 'upload'" @click="uploadFile">
      <slot name="action">
        <div
          v-if="(!multiple && !urlList.length) || (multiple && (!max || urlList.length < max))"
          class="card-icon"
          :style="{
            width: size + 'px',
            height: size + 'px',
            margin: !multiple ? '0' : '',
          }"
        >
          <el-icon :style="{ 'font-size': size / 3 + 'px' }">
            <Plus />
          </el-icon>
        </div>
      </slot>
    </div>
    <template v-if="action == 'directly'">
      <el-upload
        action
        :http-request="uploadFile"
        :on-exceed="onExceed"
        :show-file-list="false"
        :multiple="multiple"
        :limit="max - urlList.length"
      >
        <slot name="action">
          <div
            v-if="(!multiple && !urlList.length) || (multiple && (!max || urlList.length < max))"
            class="card-icon"
            :style="{
              width: size + 'px',
              height: size + 'px',
              margin: !multiple ? '0' : '',
            }"
          >
            <el-icon :style="{ 'font-size': size / 3 + 'px' }">
              <Plus />
            </el-icon>
          </div>
        </slot>
      </el-upload>
    </template>
  </div>
</template>

<script>
  export default {
    name: 'UploaderAction',
  };
</script>

<script setup>
  import admin from '@/app/admin/api';
  import { useFile } from '@/sheep/hooks';
  import { ElMessage } from 'element-plus';

  const emit = defineEmits(['action']);
  const props = defineProps([
    'urlList',
    'action',
    'savelog',
    'group',
    'fileType',
    'multiple',
    'max',
    'size',
  ]);

  async function uploadFile(file) {
    if (props.action == 'select' || props.action == 'upload') {
      useFile(
        {
          type: 'select',
          action: props.action,
          savelog: props.savelog,
          fileType: props.fileType,
          multiple: props.multiple,
          max: props.max,
          leng: props.urlList.length,
        },
        {
          confirm: (data) => {
            if (props.multiple) {
              data.forEach((d) => {
                props.urlList.push(d.url);
              });
            } else {
              props.urlList.length = 0;
              props.urlList.push(data.url);
            }
            emit('action', props.urlList);
          },
        },
      );
    } else if (props.action == 'directly') {
      var formData = new FormData();
      formData.append('file', file.file);
      const { error, data } = await admin.file.upload(
        { group: props.group, savelog: props.savelog },
        formData,
      );
      if (error == 0) props.urlList.push(data.path);
      emit('action', props.urlList);
    }
  }

  function onExceed(file) {
    if (file.length > props.max - props.urlList.length) {
      ElMessage({
        message: '已到文件上限',
        type: 'warning',
      });
    } else {
      file.forEach(async (f) => {
        var formData = new FormData();
        formData.append('file', f);
        const { error, data } = await admin.file.upload(
          { group: props.group, savelog: props.savelog },
          formData,
        );
        if (error == 0) props.urlList.push(data.path);
      });

      emit('action', props.urlList);
    }
  }
</script>

<style lang="scss" scoped>
  .uploader-card {
    .card-icon {
      color: var(--sa-place);
      border: 1px dashed var(--sa-border);
      border-radius: 4px;
      margin: 0 8px 8px 0;
      display: flex;
      align-items: center;
      justify-content: center;
      position: relative;
      overflow: hidden;
      cursor: pointer;
    }
  }
</style>
